19
Gearbox Software
148
Commercial
Opposing Force the expansion for Half-Life shows how expansions are made.
2
CI Games S.A
534
Commercial
You can battle through 14 levels and prepare to face a barrage of bosses.
9
NovaLogic
200
Commercial
Delta Force 2 is an action shooting war game for single or multiple players.
2
FunGamesGalaxy.com
165
Alien Riposte presents frantic and addictive action shooter game!
93
KraiSoft Entertainment
42,852
Shareware
A simple, fun and entertaining shooting game for the whole family.
GOG.com
13
Commercial
Prepare for one of the most action packed-shooters in PC gaming history!
4
segabandonware
228
Freeware
This time around, an alien force known as the Phalanx is out to control earth.
41
Softendo
468
Freeware
This is a Breakout game with Ben10 as its main character.
devotid Media
37
Commercial
Off-road racing simulation game with support for force feedback steering wheels.
87
Grey Alien Games
15
Chill out with this cool Holiday-themed puzzle game from Grey Alien Games.
Stage 2 Studios
841
Commercial
Lifeless Planet is an exciting adventure game with an alien theme.
Vector Games
128
Commercial
Dark Raid is a Retro FPS Action game with an alien theme.
2
NADDIC GAMES
283
Freeware
CLOSERS is an MMORPG game with an alien monster theme, set in Seoul, South Korea.
Falco Software Company
Freeware
Runs is a game about an alien who has fallen from another planet.
51
NovaLogic, Inc
4,437
Shareware
Delta Force®: Xtreme™ brings the classic Delta Force game back to life.
UberGames
3
Freeware
Elite Force RPG-X is a modification for the game Star Trek Voyager Elite Force.
